[Webkit-unassigned] [Bug 175023] REGRESSION (r219193): Custom data attribute objects are lost randomly, maybe due to garbage collection

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=175023

--- Comment #15 from Sebastian Müller <seb.p.mueller at gmail.com> ---
I am CTO of yWorks, who produces the API where the bug was found and reported.

Here is an excerpt of our customer list: https://www.yworks.com/company/references

Our product "yFiles for HTML" is affected, which is a library. Also our new end user application (which uses that library) "yEd Live" is affected:

https://www.yworks.com/products/yed-live
https://www.yworks.com/products/yfiles-for-html

The bug makes the product unusable on the preview version of the affected UAs. The applications behave like an image viewer where you disable zooming and panning and interaction becomes impossible. Otherwise this is a very rich graph editing application and with the bug in place it becomes a bad viewer application, only.

Most of the deployments of our products at our customers are in closed intranets or at least inaccessible from the public web, and for many customers we may not disclose usage of our products in their deployments.

About half of the customers for which there are logos here https://www.yworks.com/#references however would be affected by that bug and anyone with an IT background will easily recognize at least 60% of them, I would say.

For example this application here would be affected, too, from what I can tell just "by looking at the JavaScript" of the running app:

https://docs.microsoft.com/en-us/azure/network-watcher/network-watcher-topology-overview

We *could* implement a performance costly workaround, however there's hundreds of deployments on websites that would have to update and probably several thousands of devices which have the software built-in into their management backends which cannot be updated as easily (think complex switches and appliances with built-in web servers and management software).

If you require more details, I can disclose some of them in a private email. Please get in contact with our company via the homepage in that case.

I, too, would agree that a rollback would be the best solution for now.

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